diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
deleted file mode 100644
index 611be71..0000000
--- a/.github/FUNDING.yml
+++ /dev/null
@@ -1,3 +0,0 @@
-# These are supported funding model platforms
-
-custom: ["https://www.paypal.me/switnet", switnet.net]
diff --git a/README.md b/README.md
index 5a041c3..d231641 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Login into your clean server, clone git repository and run the installer,
 ```
 git clone https://github.com/switnet-ltd/quick-jibri-installer
 cd quick-jibri-installer
-sudo bash quick_jibri_installer.sh
+bash quick-jibri-installer.sh
 ```
 ![QJI - Setup](https://raw.githubusercontent.com/wiki/switnet-ltd/quick-jibri-installer/images/qji-diagram-setup.png)
 
diff --git a/quick_jibri_installer.sh b/quick_jibri_installer.sh
index 5502167..0b9548b 100644
--- a/quick_jibri_installer.sh
+++ b/quick_jibri_installer.sh
@@ -340,6 +340,10 @@ apt-get -y install \
 if [ "$LE_SSL" = "yes" ]; then
 apt-get -y install \
                 letsencrypt
+    if [ "$(dpkg-query -W -f='${Status}' ufw 2>/dev/null | grep -c "ok installed")" == "1"  ]; then
+        echo "# Disable pre-installed ufw to allow ssl challenges validation."
+        ufw disable
+    fi
 fi
 
 echo "# Check and Install HWE kernel if possible..."